This is my first post an I need a bit of help! Iv got a 1990 escort 1.3 and recently fitted a replacement performance air filter! after fittin it there are 2 loose pipes one is just a breather but the other i gather is the vacuum hose. when its loose the car wont run without choke! but wen the hose is blocked it runs ok. ne1 had this problem or now how i can solve it? tar v much